PROFESSIONAL SUMMARY:

• Over 8+ years of experience in Software Development Life Cycle (SDLC) and Software Engineering including requirement gathering, analyzing, designing, implementing, testing, support, and maintenance of client - server applications.
• Expertise in building web and enterprise applications in domains including banking, healthcare, e-commerce, insurance.
• Proficient in methodologies such as AGILE, Scrum Software Development processes, Test Driven Development and conventional SDLC.
• Strong knowledge of Java/J2EE design patterns and other object-oriented concepts (OOPS).
• Developed ANT Scripts and used MAVEN tool to build and deploy J2EE Applications.
• Designed and developed multiple J2EE Model 2 MVC based Web Application using J2EE Technologies and popular open-source framework Struts Framework, Spring MVC, Spring Framework, Spring Boot, Hibernate ORM Framework.
• Worked on a proof of concept on the internationalization in flex.
• Experience in developing and consuming Web Services using SOAP, HTTP,andWSDL.
• Strong development skills in J2EE, JDBC, JSP, Servlets, JMS.
• Expertise in implementing Web Services based on Service Oriented Architecture (SOA) using SOAP, Restful Web Services.
• Developed enterprise applications using Scala.
• Experience of working on Actimize Template for the end report formatting.
• Track record of increasing responsibility in the business software design, Micro services, systems analysis/development and full lifecycle project management.
• Creating Rich UI applications using Angular 2 integrating with REST API's built on Microservices
• Experience in the developing professional web applications using HTML5, CSS3, JavaScript, jQuery, Bootstrap, AJAX, JSON, XHTML, XML and Node.js
• Hands-on experience in development of Microservices and deploying in Docker .
• Experience in Server-side messaging using camel and JMS and development experience at server-side using technologies EJB, Web Services, XML, Oracle, MySQL Server.
• Hands on experience in developing Single Page Applications (SPA) using AngularJS
• Good knowledge ofAngular 2.0, ReactJS.
• Experience working with messaging formats like MQ, CSV.
• Experience with various databases like Oracle, MySQL, DB2 and MS SQL Server
• Experience in processing semi-structured and unstructured datasets.
• Experience in developing the Web services by using services provided by IBMWebSphere like IIB, BPM, WSRR and WAS.
• Very strong experience writing API's/ and Web Services in PHP and in Python.
• Good Knowledge of Python and Python Web Framework Django.
• Expertise in BPM using WebSphere Business Process Modeler and Monitor in multiple projects within IBM and at client locations.
• Experience in integrating and deploying applications using Apache Camel, Service Mix,andJBoss Fuse Enterprise Service Bus (ESB)
• Expert knowledge of JavaScript frameworks such as Angular JS, Media Query and libraries like Backbone JS.
• Developed an app that interacts with a Hyperledger Fabric blockchain using the Express.js and React.js.
• Handled all the port mapping/binding things that happen with Dockers and Containers.
• Experience withSOA (Service Oriented Architecture) and experience in developing Web services using Axis, WSDL, SOAP, UDDI, WS-Security, XML-RPC,and JAXB/JAXP.
• Experience in building applications hosted in the cloud.
• Worked on XML and related technologies such as XSLT, XQuery, XPath,andSOAP UI.
• Working on creating a distributed network by hosting the application on AWS cloud, Amazon EC2 servers.
• Experience in working with automation tools like selenium and continuous integration tool JENKINS.
• Experience in using version control tools like Git and CVS.
• Experience in Internalization and Localization.
• Effectively relay and communicate new technologies to manage and all related stakeholders.
• Used WebLogic Application server to deploy and restart web applications.
• Experience in Configuration and deployment of multi-tier applications using servers like WebSphere, WebLogic, and Tomcat.
• Implemented spring Controller endpoints for Restful style API access.
• Configured and implemented Role and Attribute Based Access Control Policies using Oracle Access Manager.
• Experience in Enterprise Integration Development using Apache Camel, JMS,andWebservices.
• Actively participated in daily scrum meetings, sprint planning sessions, sprint reviews, and retrospectives.
• Strong independent learning ability, team player, easily adaptable to different development environments, collaborative, highly motivated and dedicated to delivering quality software

TECHNICAL SKILLS:

Languages: C, C++, Java 8(JSP, Servlets, JSTL, and other java related technologies ), Python.

Operating Systems: Windows (10/8.1), Ubuntu, Mac

Scripting languages: HTML, DHTML, XML, JavaScript, JSON, XML, XSL, XSLT, JSP, JSTL.

Web Technologies: JSP, Servlets, AngularJs, jQuery, ReactJS, NodeJS, EJB, Hibernate, Struts, Spring, JDBC, HTML5, DHTML and XML, CSS3, Web Services, WSDL, SOAP, MQ Series, Apache Camel, Kafka, Spring Boot, ExpressJS

Databases: Oracle, MySQL, MSSQL Server, Sybase, PostgreSQL, MongoDB.

IDE: Eclipse, IntelliJ, NetBeans, IBM Rational Application Developer (RAD)

Messaging Technologies: JMS, AMQP.

Version controls: SVM, GitHub, RStudio, Spyder, Octave GUI, KNIME, CoggleJasmine.

Cloud Services: AWS EC2, S3, EBS.

Web Servers: JBoss, WebLogic, WebSphere, Tomcat, Jetty, Apache

Frameworks: Spring (MVC, AOP, ORM, Web Service, DAO, Social, Security, etc.), Hibernate ORM, Bootstrap, Struts, Tiles, DWR (Direct Web Remoting)

Reporting Tools: Jasper Reports, BIRT, Crystal Reports.

Tools: MS-Visio, Visual Studio, Sublime, Eclipse, Notepad++, GitHub, JIRA, ClearQuest, RTC, MS Project, Excel, SharePoint, MS Access.

Database Tools: SQL Developer, DB Artisan, TOAD, MSSQL Server Management Studio

DOM, SAX, JAXP, JAXB, XML: RPC and XML Beans.

PROFESSIONAL EXPERIENCE:

Full Stack Java Developer

Confidential, Los Angeles, CA

Responsibilities:

• Participated in the complete software development lifecycle tasks (design, coding, testing, and documentation).
• Extensive knowledge and experience in developing Single Page Applications (SPA) using AngularJS.
• Developed the single page application following Agile Scrum, participated in daily standups, sprint reviews, Kickoffs and used Jira for project management.
• Responsible for preparing the use cases and for designing and developing object models, class diagrams with UML Specifications.
• Write Google Data Flow jobs using apache beam to move data from BiqQuery to Spanner and Google Pub Sub to BiqQuery.
• Write Micro Service using spring Boot and deploy into open shift to query the data from Google spanner/Big query.
• Developed Data Ingestion application to bring data from source system to HBase using Spark Streaming, Kafka.
• Good experience of implementing reactive programming using RxJava to manage asynchronous tasks and events.
• Designed and developed the REST based Micro services using the Spring Boot .
• Designed and Developed UI for Customer Service Modules and Reports using Angular2.0, HTML, CSS, Bootstrap, JavaScript, andjQuery Created web application prototype using JavaScript and AngularJS.
• Implemented nested views and routing using AngularUI Router as per the requirement. GUI was developed using JSP, HTML, and AngularJS and created reusable components in Angular2.0 using Custom Directives Filters, Services, and Partials.
• Actimize Case Development for different surveillance models to load the alerts in actimize GUI.
• Kafka integration with Spark using Spark Streaming API.
• Implemented Spring boot microservices to process the messages into the Kafka cluster setup.
• Worked as Onshore lead to gather business requirements and guided the offshore team on timely fashion.
• Closely worked with Kafka Admin team to set up Kafka cluster setup on the QA and Production environments.
• Had knowledge on Kibana and Elastic search to identify the Kafka message failure scenarios.
• Implemented to reprocess the failure messages in Kafka using offset id.
• Developed Data Ingestion application to bring data from source system to HBase using Spark Streaming, Apache Kafka.
• Data segregation/categorization is performed based on the requirement using Spark Streaming API (Transformations & Output Operations) on the data stored in HBase.
• Hive external tables are created mapped to the data stored in the HDFS and Hive tables are accessed using Spark SQL.
• Installed and configured multi-node Apache Hadoop, Apache Spark cluster for data store and data processing. Importing structured data into HDFS using Sqoop.
• Cassandra is used for storing data permanently.
• Implemented Kafka producer and consumer applications on Kafka cluster
• Created POC for Automatic update for the deployment status update using Vert.x Framework (push Notification), HTML5, CSS3, JavaScript, Junit & JAVA
• Customized RESTful Web Service using Spring RESTful API, sending JSON format data packets between front-end and middle-tier controller.
• Working with RxJava (ReactiveX) for asynchronous composition and manipulation of data and events using Observers and Observables in the application.
• Created POC for SSl authorization using vert.x Framework .
• Develop quality code adhering to Scala coding Standards and best practices.
• Called REST web services through AngularJS services to get JSON Object and modified the response object to display in UI.
• Expertise in development frameworks Struts, Vert.x, spring, EJB, Hibernate and Mybatis.
• Involved in building database Model, APIs and Views utilizing Python, in order to build an interactive web based solution.
• Created User Controls and simple animations using Java Script and Python.
• Implemented design patterns in Scala for the application.
• Created RFP Micro service to provide RESTful API utilizing Spring Boot with Micro services.
• Developed the application under Core Java, J2EE Architecture using REST, JBoss, Node.js, backbone.js, EXT JS, spring, Struts, Hibernate, Servlets, Web logic, Swing, Agile, Eclipse, Jenkins, and JSP.
• Developed API to Integrate with Amazon EC2 cloud-based architecture in AWS, including creating machine Images.
• Developed Mean Stack from scratch including Mongo DB server (Mongoose Connector) setup and Express JS server development.
• Wrote cascading style sheets for the entire user interface, created selectors, ids, classes and pseudo-classes in style guides.
• Used WCS Exception handling framework to wrap the exceptions and show proper generated error to end user.
• Developed pages using Angular2.0 directives, expressions, routing capabilities for bookmarking, filters, validations and AngularUI components such as grid, buttons, carousels, date pickers, modal dialogs, and other input components.
• Integrated Apache Kafka for data ingestion.
• Designing and developing Restful API and services using best practices to interact within the micro services and with the front end. Using spring MVC and spring rest.
• Developed views using Bootstrap components, Angular-UI and involved in configuring routing for various modules using angular UI router.
• Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST API s and Spring Boot for micro-services.
• Develop quality code adhering to Scala coding Standards and best practices.
• Defined new validations through AngularJS for the form field validation implemented through HTML5.
• Developed the application using Spring MVC intensively that leverages classical MVC architecture and JavaScript for major data entry that involved an extreme level of data validation at the client side.
• Integrated Single sign-on usingLDAP and Active directory on Spring security layer, successfully maintained users and groups integrity in the application.
• Rewrite existing Java application in Python module to deliver certain format of data
• Documented how Spring Batch is useful for the current project.
• Exposed Stateless session beans as RESTful web services using JAX-RS. Implemented Angular promises to handle asynchronous communication with our Rest API for various requirements.
• Created and injected Spring services, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Worked extensively on designing and developed software using IBM Websphere Commerce Suite (WCS 5.6.1) on AIX (UNIX) Platform.
• Developed components of web services (JAX-WS, REST, JAX-RPC) end to end, using different JAX-WS standards with a clear understanding on WSDL (type, message, port Type, bindings, and service).
• Developed unit test cases using Jasmine and Karma as unit test runner for various application modules.
• Implemented continuous deployment system with Jenkins, AWS: Code Deploy, Ops Works, and Packer for deployment of Java Applications.
• Worked with Java libraries to access AWS facilities as Simple Storage Service (S3), Simple Queue Service (SQS) and Simple DB.
• Used Junit and Mockito framework for unit testing of application and Log4j 1.2 to capture the log that includes runtime exceptions
• Used SVN version control to track and maintain different versions of the application.

Environment: Jdk1.7, HTML5, Angular2.0, jQuery, JavaScript, Spring Batch, Node.js, Bootstrap, Spring 4.0, Apache7.0, log4j, Hibernate, Maven, Tortoise SVN, Rest web services, AWS, maven, jQuery, JIRA, Eclipse Kepler, XML, MySQL.

Full Stack Java Developer

Confidential, Melbourne, FL

Responsibilities:

• Involved in the Analysis, Design, and Development.
• Developed the application using Struts Framework which is based on the MVC design Pattern.
• Involved in writing the front-end code for the application using Angular JS.
• Implemented the presentation layer (GUI), based on an open source framework, involving Servlets, JSP, JSTL, JSF, CSS3, HTML5, JavaScript and GWT.
• Highly involved in UI responsive designs of the project using HTML5, jQuery, CSS/CSS3, JavaScript, DOJO, Bootstrap, Node JS.
• Develop or modify the XSL and XSL-FO required for actimize development.
• Actimize RCM exposed the SOAP based web service to use in our external plugin developments and also SOAP based Web services for Spring Batch.
• Wrote Python scripts to parse XML documents and load the data in database.
• Developed JavaScript based components using External JS framework like a GRID, Tree Panel with client reports customized according to user requirements.
• Experienced in implementing Micro services, Service Oriented Architecture (SOA) with XML based Web Services (SOAP/WSDL) using Top Down and Bottom Up approach.
• Facilitated upgrade to Java 8, replacing the Joda library, using Streams and Lambda expressions.
• Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by Angular 4.
• Strongly involved in building and deploying the application into public Bluemixusing Toolchain.
• Used jQuery, Angular JS, and Node JS to develop the rich user interface and to invoke RESTful Web Services to perform various operations.
• Used Couchbase Python SDK to build applications that use Couchbase Server.
• Implemented DAO pattern to fetch data from database using Hibernate to carry out various database operations and avoid redundant database access statements.
• Designed and developed business components using Spring Boot, Spring Dependency Injection (Core), Spring AOP and Spring Annotations.
• Wrote highly scalable Scala software solution that integrates 7 million high definition digital images from digital arts providers.
• Worked with Toad to overlook databases and create SQL queries to gather and alter data. Also combined with Hibernate for the testing flow of data from the application to Database.
• Used Maven for developing build scripts and deploying the application onto WebLogic.
• Performed backend operations using Hibernate and native SQL on various databases.
• Developed single page applications using Angular 4, Typescript, HTML5, CSS3, and Bootstrap.
• Developed user specific Highlights (dashboard menu) section, Home Page, Admin home page, user module using Spring framework, Hibernate ORM module, Spring Core Module, XML, JSP,andXSLT.
• Worked on Web Services using Java API for XML, JSON Services(JAX RS) and worked on the build, deploying RESTful web services.
• Developed test suites in Selenium WebDriver(Java) with TestNG framework in Eclipse IDE for regression and sanity testing.
• Written Unit and Integration tests using JUnit, JMock and Easy Mock.
• Used log4J for logging.
• Fixed various defects assigned on the JIRA.
• Used Git as the version control tool and Microsoft Visual Studio Code as IDE for developing frontend using Node JS.
• Implemented the concepts of agile methodology to produce merit application by attending, preparing story cards, participating in daily standups and sprint demos.
• Conducted code review session at the end of the sprint and be the point of contact for code quality.
• Involved in application performance tuning using Wily, profiling and provided alternate solutions to improve the performance. Utilized Ansible playbooks to set up a Continuous Delivery pipeline. This essentially comprises of a Jenkins and Sonar server, the framework to run these bundles and different supporting programming segments, for example, Maven, and so on.
• Wrote several Playbooks and created various roles for applications using Ansible and deployed the Applications/Services on the client hosts.
• Integrated Ansible to manage all existing servers and automate the build/configurations of new Servers
• Used several Ansible modules which include scripting (bash, command), cloud modules,
• Installed and deployed to Amazon EC2 instance and worked with various AWS services like S3, Auto Scaling, RDS, Security Groups etc.
• Used Tomcat server for the application development and Utilized JIRA for task scheduling, quality control activities like defect tracking and fixing.
• Build the application using Maven and used Jenkins for continuous integration.
• Utilized Kafka and Akka frameworks for messaging and queuing.
• Used log4j for logging.

Environment: Java 8.0, WCM, Rational Application Developer8.x, IBM Bluemix, REST, Spring, Struts, JSF, EJB, jQuery, AJAX, Bootstrap, JSON, Toad, IBM WebSphere Application Server 7.x, SQL Server, DB2, Clear Case, Selenium, UM L, JSP, JIRA, Cognos, Jenkins, Agile, Git, andJunit.

Full Stack Java Developer

Confidential, San Antonio, TX

Responsibilities:

• Worked on the Spring framework like Spring IOC and Spring DAO.
• Build RESTful Web services using JAX-RS API.
• Created web services, WSDL and web methods with Annotation in Hibernate, Used the spring container for the data source and to load hibernate specific classes.
• Extensively used CSS and Bootstrap for styling the HTML elements.
• Designed Frontend within object-oriented JavaScript Framework with Angular.js.
• Validated the workflow/Entitlements using ACTIMIZE tool.
• Worked on MANATAS transaction load (updating the roll out queries and run the batch job)
• Application code base: JAVA, ACTIMIZE
• Implemented Angular 2 services to connect the web application to back-end APIs to POST/GET the data used in the application.
• Hands on experience in developing the components using Angular 2.
• Messages like monthly statements, payment due were sent to customers through JMS, sometimes point to point or just publish. Deploying, managing, and operating scalable, highly available, and fault tolerant systems on AWS.
• Designed and developed the framework to consume the web services hosted on Amazon EC2 instances.
• Developed API for using AWS Lambda to manage the servers and run the code in the AWS.
• Wrote test cases using JUnit testing framework and configured applications on WebLogic Server.
• Implemented the back-end services using Spring Boot.
• Implemented Java Multithreading to refresh the cache at a given set of the time interval.
• Developed various UI components using Angular JS, Spring (MVC), JSP, and HTML.
• Designed and Developed Servlets and JSP pages for authentication.
• Developed the different components of application such as JSPs, Servlets and EJB's using WebLogic Application Server and used CVS for version control.
• MySQL to access data in the database at different Levels.
• Involved in the integration of spring batch using shell scripting.
• Implemented TDD for JavaScript code and Angular JS code with Jasmine test cases.
• Responsible for implementing SQL queries and managing JDBC interactions with data sources.
• Explore single-page asynchronously data-driven UIs using REACT JS, REDUX and Node JS.
• Worked on databases such as MYSQL.
• Created Responsive Web Design using Bootstrap, SVG, and other media queries to support all kinds of devices.
• Architected, designed and implemented an SPA (Single Page Application) in AngularJS which consume JSON from a Spring MVC, using Spring Security to secure the Application.
• Developed AJAX-driven application by invoking web services/API and parsing the JSON response.
• The followedAgile process, created and maintained User stories in JIRA. Actively participated in Sprint grooming, retrospectives and daily stand up meetings.
• Developed various reusable helper and utility classes using Java Beans with Eclipse editor.
• Configured Maven dependencies for application building processes that created Pom.xml files.
• Practiced relevant agile development methodologies and worked daily with subversion and current networking technologies.
• Managing Product development/implementation using AWS cloud infrastructure.
• Provide on various al technologies including Smartboards, Blackboard, and Web 2.0 technologies.

Environment: Spring 4.0, Hibernate, Web logic, Angular JS 1.5, HTML5, CSS3, Linux, Apache CXF, JMS, Shell scripting, REST, JSP, JDK 1.8, SERVLET, MYSQL, JDBC, AWS, PCF, Eclipse, MAVEN, Agile, JIRA, Web 2.0, SOA.

Full Stack Java Developer

Confidential, Ardsley, NY

Responsibilities:

• Worked in an Agile Environment and participated in requirement gathering, analysis, and design
• Implemented Business Delegate, Design, Facade, Service locator, Singleton, Factory method, Template method, Observer, Data Access Objects, Transfer Objects JEE design patterns.
• Implemented the service layer based on a Spring container and exploited Spring's IOC features for bean management.
• Implemented the persistence layer using Hibernate-ORM. Worked on Spring Web Flow on Spring MVC for building flows in our web application.
• Developing the workflows, alerts, dart view, dashboard and views using Actimize RCM.
• Implemented jQuery based accordion styles and handled complete jQuery in showing Rich Internet Application.
• Responsible for creating an efficient design and developing User Interaction screens using HTML5, CSS3, JavaScript, and AngularJS.
• Coded in AngularJS MVC Framework to make single page app (spa) and complex price configurations pages.
• Wrote several Angular controllers, services, and providers to achieve the migration.
• Used concepts of Directives, Data-Binding and Dependency Injection in Angular JS.
• Developed application ofspring 3.x framework by utilizing its features like Spring Dependency injection, Spring Security, Spring Web Flow with Spring MVC. Used spring's dependency injection for injecting entity manager and managed beans into spring beans.
• Working extensively with Hibernate Query Language (HQL) to store and retrieve the data from oracle database. Developed Enterprise JavaBeans (EJB 3.0) for implementing application's business rules and policies.
• Familiarity with Service-oriented architecture (SOA) by developing and consuming Restful web services based on JAX-RS and Jersey.
• Used Spring Security framework for login authentication, password hashing. Worked on Java Message Service (JMS) API for developing message-oriented middleware (MOM) layer for handling various asynchronous requests. Worked on a topic for creating publish/subscribe messaging model.
• Used D3.js and Angular to construct data visualization. Developed persistence layer based on JPA framework for providing POJO persistence model for object-relational mapping.
• Worked closely with the data scientists, converted data from tables to large datasets in Python and created Pandas data frames, visualizations using D3viz.
• Wrote scripts in Python, NumPy, andset up automated Cron jobs for the scripts to upload data into the database, generate graphs, bar charts, upload these charts to the wiki, and back up the database.
• Also involved in back-end development using Node.js, used npm for package management.
• Created back-end services/ API using Express.js, which was used to query MongoDB.
• Used Concurrent Version System (CVS) as source control tool. Developed unit test cases and suits on JUnit framework for unit testing. Used Maven for building, deploying the application, creating JPA based entity objects and compiling GWT application.
• Used XML parser APIs like JAXB API within the web service for marshaling/unmarshalling.
• Used Business Process and Decision Management Design using JBoss JBPM and JBoss Drools Rules Engine.
• Involved in designing and development of web interface using JSP, Servlets, and JavaScript.
• Tested each application with using validators and handled multiple modules simultaneously to achieve the application.

Environment: Spring 3.1, J2EE 1.7, Spring JDBC Template, Spring Batch, AJAX, XML, CSS, CSS 3, HTML 5, JavaScript, Oracle 10g/11i, Maven 3.0.3, MYSQL 6.1, jQuery, JUnit, REST, AngularJS. STS 3.5.1(eclipse), Core Java, JSP's, Action Components, Tomcat Web Server.

Java UI Developer

Confidential

Responsibilities:

• Closely worked with business system analyst to understand the requirements to ensure that right set of UI modules been built.
• Developing, modifying, fixing, reviewing, testing and migrating the Java, JSP, XML, Servlet, SQL, JSF, Spring and hibernate programs.
• Used J2EE design patterns like Singleton, command, Factory, Business Delegate, Session façade, Service Locator, Transfer object and view object for developing enterprise application.
• Used multithreading concepts while creating DAO classes. Used multithreading in programming to improve overall performance.
• Wrote application level code to perform client-side validation using jQuery and JavaScript.
• Designed the front-end applications, user interactive (UI) web pages using web technologies like HTML, XHTML, and CSS.
• Grails web development in Groovy/GSP/jQuery for CSC government division. Spearheaded innovative workflow mechanism. Initiated Specs unit testing framework. Agile environment
• Using the advanced level of jQuery, AJAX, JavaScript, CSS and pure CSS layouts.
• Develop various screens for the front end using ReactJS and used various predefined components from NPM (Node Package Manager) and redux libraries.
• Formulate and define system scope and objective based on user needs and thorough understanding of business processes
• Participated in numerous creative brainstorm sessions with strategists, storyboards, design specifications, and screen layouts that were shared with Directors and other team members
• Developed a web presentation layer using HTML and CSS according to internal standards and guidelines
• Handled all aspects of the web application including maintaining, testing, debugging, deploying and printing
• Designed and developed intranet web applications using JavaScript, jQuery, Ajax and CSS
• Worked with teams where requirements are constantly being implemented, tested and improved
• Worked on Cross-Browser compatibility and fixed the bugs for several browsers
• Designed the table fewer web applications using CSS and with the help of and tags as per W3C standards
• Continuously provide input to project management activities throughout the project lifecycle influencing scope, risk plan, project plan, issues, and status.

Environment: HTML, CSS, JavaScript, jQuery, AJAX, Agile methodology, Eclipse, Groovy, GSP, jQuery .

Java Developer

Confidential

Responsibilities:

• Developed multiple user tools with core Java and DB2 using eclipse IDE.
• Implemented multiple design patterns like factory, façade, etc.
• Extensive code reviews on adherence to design and performance.
• Extensive real-time production support.
• Wrote HQL queries as part of development.
• Designed and implemented XML parsing for XML order conformations.
• Created database pool, multi-pool, data source and mapped them to roles.
• Used spring for creating the object using dependency injection (IOC) .
• Developed the web-services and analysis of SOAP envelope using SOAP UI.
• Created Rest web services using JAX-RS , Hibernate framework.
• Configured action mapping (in XML) for each logical request that may be submitted. seedHibernate as Object-Relational (OR) Mapping Tool for the backend data.
• Have used DOJO toolkit to construct Ajax requests and build dynamic web pages using JSP, HTML5 and JavaScript, Angular JS.
• Wrote batch jobs and was involved in performance tuning of complex queries.
• Monitored the error logs and fixed the problems.
• Developed the different components of the application such as JSP, Servlets, DAO and Used SubVersion (SVN) for version control.
• Involved in the Development of Spring Framework Controllers. Developed Controller for the request, response paradigm by Spring Controllers using Spring-MVC.
• Developed additional UI Components and implemented an asynchronous, AJAX (JQuery) based rich client to improve customer experience.
• Built ANT scripts for automated deployment and for the build operation of the entire application.
• Developed web pages using HTML5/CSS and JavaScript, Angular JS
• Developed many JSP pages, used Dojo in JavaScript Library, jQuery UI for client-side validation.

Environment: Core Java, SQL (DB2), Design Patterns, Spring, OOPS/OOAD (UML), XML, Hibernate, DOJO 1.5, Eclipse IDE, Tortoise SVN source control, Bugzilla, Autosys, Aqua Studio, JIRA, Cygwin.